/***************************************************************************
 *   Copyright (C) 2010 by Oleg Goncharov  *
 *   $EMAIL$                           *                          
 *                                                                         *
 *   This file is part of ChessVision.                                     *
 *                                                                         *
 *   ChessVision is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef CGRADIENTFIGURE_H
#define CGRADIENTFIGURE_H

#include <cfiguredetector.h>

namespace Chess {

/**
Определеят наличие фигуры по порогу в ср. значениях градиента

	@author Goncharov Oleg <goncharovoi@yandex.ru>
*/
class CFigureGradient : public CFigureDetector
{
protected:
	int white, black;
	double grad_therehold;
	
public:
	CFigureGradient(int _white = 150, int _black = 0, double _grad_therehold = 17)
		: white(_white), black(_black), grad_therehold(_grad_therehold) {}
		
	void SetWhiteBlack(int _white, int _black) { white = _white; black = _black; }
	void SetTherehold(double therehold) { grad_therehold = therehold; }

	bool DetectFigures(const cv::Mat& img, const CBoardCells& brd, CPosition& position);
};

}

#endif
